Download on the App Store Made by Seven Systems


Xequence is a comprehensive, fast and reliable MIDI sequencer, editor, arranger and controller for iPhone and iPad.

Providing a desktop-class editing experience, it is the perfect centerpiece for your hardware studio, or for apps like AUM and Audiobus 3 to create a modular music production environment on iOS / iPadOS.

Feature Highlights

  • Efficient & fast User Interface for an amazing editing workflow
  • Robust MIDI File Import & Export (notes, controllers, program changes, etc.)
  • Extensive support for MPE (In-App Purchase) with per-note expression data editing
  • Support for scales everywhere (keyboard, pianoroll, etc.)
  • Over 70 included scales in 10 categories
  • MIDI Time Stretching in all editors
  • Best-in-class MIDI timing and clock output
  • Full Ableton Link 3 support
  • Full Audiobus 3 support
  • MIDI In & Thru with re-channelization & re-routing
  • MIDI Sync Master (Clock/Start/Stop/Continue/SPP) to sync other DAWs & sequencers to Xequence, e.g. to use audio tracks, or external drum machines. Several options for compatibility

Arrangement Editor

  • Unlimited Clips
  • Unlimited Tracks
  • Unlimited Sub Tracks per Track
  • 64 Undo/Redo steps
  • Flexible grid
  • Per-track non-destructive Swing & MIDI Delay
  • Linked Clips / Clones (editing the original changes all copies)
  • Powerful clip-based, per-track independent looping
  • Program changes
  • Selection tools: Marquee/Rectangle, Same Track, Same Instrument, Linked Clips, Invert, etc.
  • Editing tools: Create Copy, Create Linked Copy, Unlink, Split, Join, Convert loops to clips, etc.
  • Global clipboard, even between projects
  • Movement/Trimming Handles at screen edges for efficient editing

Pianoroll Editor

  • 256 Undo/Redo steps
  • Scale-awareness ("folding")
  • Relative or absolute grid (move by grid increments or snap to nearest grid lines)
  • Live MIDI previews of all edits
  • Selection tools: Box, Same Note, Same Key, Same Beat Position, Invert, etc.
  • Editing tools: Copy, Legato, Quantize, Quantize Ends, Octave +/-, Flip H/V (mirror), Fill clip with selection, etc.
  • Smart Draw mode: Touch to create, touch again to delete, drag up/down to transpose, drag left/right to change length
  • Global clipboard, even between projects
  • Configurable "ghost" overlays
  • Note velocities quickly adjustable via a handle, or editable like controllers, see below:

Controller Editor

  • 256 Undo/Redo steps
  • Selection tools: Box, Same Beat Position, Invert
  • Selection modes: Add & Replace
  • Editing tools: Copy, Reduce, Quantize, Compress/Expand, Flip H/V (mirror), Ramp (various curves), Fill clip with selection
  • Smart Draw mode
  • Note Velocities can be shown as controllers and edited with the same tools
  • Configurable vertical grid & value entry

Keyboard / Controller

  • Scale-aware, very playable single or dual keyboards
  • Glide support
  • Adjustable key width
  • Velocity emulation (via vertical position)
  • Drum maps and pads, fully editable, 40+ factory maps
  • Touch ribbons for live control
  • Controllers can be moved by sliding (ribbon), device rotation (up to three axes at once), like a button (sustain pedal, "trance gates"), or by touching the keys at different vertical positions. All highly configurable.

Instrument editor

  • Unlimited Instruments (configurations for each target device / app)
  • 150 definable Control Change (CC) slots per Instrument
  • Optional support for (N)RPNs (In-App Purchase)
  • Loading & Saving of instruments for re-use in other projects (In-App Purchase)
  • Compatible with virtually ALL apps and class-compliant MIDI interfaces


  • Audio or MIDI Metronome
  • Note chasing (notes play even when playback starts in the middle)
  • Controller chasing
  • Perfect song looping, no dropouts/jitter at loop points
  • Supports any time signature/BPM (fixed per song)
  • Includes PolyHymnia, an advanced Generative Music module
  • Light and Dark themes